<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>ai辅助</title>
  <link rel="stylesheet" href="./a1.css">

</head>

<body>

  <!-- 用压力盒子布局写一行三个元素效果 -->
  <div class="box">
    <div class="">item</div>
    <div class="">item</div>
    <div class="">item</div>
  </div>
</body>

</html>